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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries from C$ 530

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SLU
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Castries

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Castries
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 April 2026.

Sat 23/56:00 a.m.
YUL
-
SLU
2 stops13h 00m
Multiple Airlines
Sat 6/612:35 p.m.
SLU
-
YUL
2 stops19h 10m
Multiple Airlines
Deal found 26/4C$ 1,121
Mon 25/58:30 p.m.
YUL
-
SLU
2 stops22h 30m
Multiple Airlines
Mon 1/612:35 p.m.
SLU
-
YUL
2 stops13h 16m
Multiple Airlines
Deal found 27/4C$ 1,123
Wed 27/56:00 a.m.
YUL
-
SLU
2 stops13h 00m
Multiple Airlines
Sun 31/512:35 p.m.
SLU
-
YUL
2 stops20h 46m
Multiple Airlines
Deal found 25/4C$ 1,130
Wed 13/59:30 p.m.
YUL
-
SLU
2 stops21h 30m
Multiple Airlines
Sun 31/512:35 p.m.
SLU
-
YUL
2 stops13h 16m
Multiple Airlines
Deal found 25/4C$ 1,133
Sun 24/55:00 a.m.
YUL
-
SLU
2 stops14h 00m
Multiple Airlines
Sun 31/512:35 p.m.
SLU
-
YUL
2 stops20h 46m
Multiple Airlines
Deal found 25/4C$ 1,145
Wed 20/57:00 a.m.
YUL
-
SLU
2 stops12h 00m
Multiple Airlines
Wed 27/512:35 p.m.
SLU
-
YUL
2 stops21h 46m
Multiple Airlines
Deal found 25/4C$ 1,155
Sun 3/53:40 p.m.
YUL
-
SLU
2 stops27h 20m
Multiple Airlines
Sat 30/512:35 p.m.
SLU
-
YUL
2 stops21h 46m
Multiple Airlines
Deal found 25/4C$ 1,156
Wed 13/59:30 p.m.
YUL
-
SLU
2 stops21h 30m
Multiple Airlines
Wed 27/512:35 p.m.
SLU
-
YUL
2 stops13h 16m
Multiple Airlines
Deal found 25/4C$ 1,160
Sat 23/58:30 p.m.
YUL
-
SLU
2 stops22h 30m
Multiple Airlines
Sat 30/512:35 p.m.
SLU
-
YUL
2 stops32h 16m
Multiple Airlines
Deal found 25/4C$ 1,166
Sat 16/58:30 p.m.
YUL
-
SLU
2 stops22h 30m
Multiple Airlines
Sat 30/512:35 p.m.
SLU
-
YUL
2 stops21h 46m
Multiple Airlines
Deal found 25/4C$ 1,168
Fri 1/57:00 a.m.
YUL
-
SLU
2 stops12h 00m
Multiple Airlines
Sat 9/512:35 p.m.
SLU
-
YUL
2 stops19h 10m
Multiple Airlines
Deal found 24/4C$ 1,185

Find flight deals from Pierre Elliott Trudeau Intl to Castries

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Castries (SLU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 April 2026.

Round-trip from

C$ 1,121

One-way from

C$ 530
23/5-6/6
  • 23/5-6/6
  • 4 total stops
  • 32h 10m total
  • Montreal to Castries
Search Deals
5/5
  • 5/5
  • 2 total stops
  • 13h 00m total
  • Montreal to Castries
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Castries that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 April 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Mon 25/5

8:30 p.m.-7:00 p.m.

2 stops22h 30m

Castries George F. L. Charle

Mon 1/6

12:35 p.m.-1:51 a.m.

2 stops13h 16m

C$ 1,123
Quickest round-trip

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

6:00 a.m.-7:00 p.m.

2 stops13h 00m

Castries George F. L. Charle

Sun 31/5

12:35 p.m.-9:21 a.m.

2 stops20h 46m

C$ 1,130

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

5:00 a.m.-7:00 p.m.

2 stops14h 00m

Castries George F. L. Charle

Sun 31/5

12:35 p.m.-9:21 a.m.

2 stops20h 46m

C$ 1,145

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

7:00 a.m.-7:00 p.m.

2 stops12h 00m

Castries George F. L. Charle

Wed 27/5

12:35 p.m.-10:21 a.m.

2 stops21h 46m

C$ 1,155

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

8:30 p.m.-7:00 p.m.

2 stops22h 30m

Castries George F. L. Charle

Sat 30/5

12:35 p.m.-8:51 p.m.

2 stops32h 16m

C$ 1,166

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

8:30 p.m.-7:00 p.m.

2 stops22h 30m

Castries George F. L. Charle

Sat 30/5

12:35 p.m.-10:21 a.m.

2 stops21h 46m

C$ 1,168

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

9:10 a.m.-1:10 p.m.

3 stops28h 00m

Castries George F. L. Charle

Sun 31/5

5:00 a.m.-12:34 a.m.

2 stops19h 34m

C$ 1,201
Cheapest one-way
Quickest one-way

MontrealCastries

YUL - SLU

YULSLU

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

6:00 a.m.-7:00 p.m.

2 stops13h 00m

C$ 530

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

Sorted by cheapest first

Best time to book a flight from Pierre Elliott Trudeau Intl to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Castries from Montreal Pierre Elliott Trudeau Intl?

    For a flight from Montreal Pierre Elliott Trudeau Intl to Castries, you will be flying into George F. L. Charle. Castries George F. L. Charle (SLU) is just 1.2 km from the centre of the city. George F. L. Charle is the only Castries airport and it handles 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. 0 airlines have flights to Castries George F. L. Charle from Montreal Pierre Elliott Trudeau Intl on a regular basis.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Castries that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Castries.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Castries?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Gros Islet
Marigot Bay

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Alternative routes for Pierre Elliott Trudeau Intl to Castries

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Castries flights

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Cheapflights makes it easy to find Pierre Elliott Trudeau Intl to Castries flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Castries?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Castries from Pierre Elliott Trudeau Intl.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Castries with no change fees?

Certainly. Search results for flights to Castries from Pierre Elliott Trudeau Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Castries become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Castries from Pierre Elliott Trudeau Intl today and book when prices fit your budget.

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